AEGLIX vulnerability intelligence
CVE-2021-30900
HIGH · CVSS 7.8 · Analyzed
Published: 2021-08-24 · Updated: 2026-06-17 · Source: NVD
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Vulnerability overview
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.
Severity and scoring
- CVSS score
- 7.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-787
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Apple · iOS, iPadOS, and macOS
- Added to catalog
- 2023-03-30
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2023-04-20
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Before (exclusive): 14.8.1
cpe:2.3:o:apple:ipados:15.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Before (exclusive): 14.8.1
cpe:2.3:o:apple:iphone_os:15.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Before (exclusive): 11.6.1
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://support.apple.com/en-us/HT212867
Vendor Advisory
- https://support.apple.com/en-us/HT212868
Vendor Advisory
- https://support.apple.com/kb/HT212872
Vendor Advisory
- https://support.apple.com/en-us/HT212867
Vendor Advisory
- https://support.apple.com/en-us/HT212868
Vendor Advisory
- https://support.apple.com/kb/HT212872
Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30900
US Government Resource